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MODEL 3500 6.5HP Generator Item # 56350 Owner's Manual Manual del Propietario DO NOT RETURN TO STORE Questions ? Problems ? Please call our customer help line : ( 888 ) 315 - 3080 M - F 84 CT Thank you for purchasing a model 3500 generator . This manual provides information regarding the operation and maintenance of this product . We have made every effort to ensure the accuracy of the information in this manual . Wen Products reserves the right to change this product at any time without prior notice . Please keep this manual available to all users during the entire life of the generator . rev . O1 / 21 / 05 Page: 2

GENERALSAFETYPROCEDURES Please familiarize yourself with the following safety symbols and words : The safety alert symbol A is used with one of the safety words ( DANGER , CAUTION , or WARNING ) to alert you to hazards . Please pay attention to these hazard notices both in this manual and on the generator . DANGER : Indicates a hazard that will result in serious injury or death if instructions are not followed . WARNING : Indicates a strong possibility of causing serious injury or death if instructions are not followed . CAUTION : Indicates a possibility of personal injury or equipment damage if instructions are not followed . { _ WJ If you have any questions regarding the hazard and safety notices listed in this manual or on the product , please call ( 888 ) 315 - 3080 M - F 8 - 5CT before using the generator . A DANGER : This generator produces poisonous carbon monoxide gas when running . This gas is both odorless and colorless . Even if you do not see or smell gas , carbon monoxide may still be present . Breathing this poison can lead to headaches , dizziness , drowsiness , and eventually death . â¢ Use outdoors ONLY in non - confined areas . â¢ Keep several feet of clearance on all sides to allow proper ventilation of the generator . A WARNING : The exhaust from this product contains chemicals known to the State of California to cause cancer , birth defects , or other reproductive harm . A WARNING : This generator may emit highly flammable and explosive gasoline vapors , which can cause severe burns or even death . A nearby open flame can lead to explosion even if not directly in contact with gas . â¢ Do not operate near open flame â¢ Do not smoke near generator . â¢ Always operate on a firm , level surface . â¢ Always turn generator off before refueling . Allow generator to cool for at least 2 minutes before removing fuel cap . Loosen cap slowly to relieve pressure in tank . â¢ Do not overfill gas tank . Gas may expand during operation . Do not fill to the top of the tank . â¢ Always check for spilled gas before operating . â¢ Empty gasoline tank before storing or transporting the generator . . â¢ Before transporting , turn fuel valve to off and disconnect spark plug . Page: 5

WARNING : This generator produces powerful voltage , which can result in electrocution . â¢ ALWAYS ground the generator before using it ( see the " Grounding the Generator " portion of the " PREPARING THE GENERATOR FOR USE " section ) . â¢ Generator should only be plugged into electrical devices , either directly or with an extension cord . NEVER connect to a building electrical system without a qualified electrician . Such connections must comply with local electrical laws and codes . Failure to comply can create a backfeed , which may result in serious injury or death to utility workers . â¢ Use a ground fault circuit interrupter ( GFCI ) in highly conductive areas such as metal decking or steel work . GFCIs are available in - line with some extension cords . â¢ Do not use in rainy or wet conditions . â¢ Do not touch bare wires or receptacles ( outlets ) . â¢ Do not allow children or non - qualified persons to operate . A WARNING : This generator produces heat when running . Temperatures near exhaust can exceed 150 Â° F ( 65 Â° C ) . â¢ Do not touch hot surfaces . Pay attention to warning labels on the generator denoting hot parts of the machine . â¢ Allow generator to cool several minutes after use before touching engine or areas which heat during use . CAUTION : Misuse of this generator can damage it or shorten its life . â¢ Use generator only for its intended purposes . â¢ Operate only on dry , level surfaces . â¢ Allow generator to run for several minutes before connecting electrical devices . â¢ Shut off and disconnect any malfunctioning devices from generator . â¢ Do not exceed the Wattage capacity of the generator by plugging in more electrical devices than the unit can handle ( see " PRECAUTIONS - OVERLOADING THE GENERATOR " ) . â¢ Do not turn on electrical devices until after they are connected to the generator . â¢ Turn off all connected electrical devices before stopping the generator . Page: 6

PREPARING THE GENERATOR FOR USE Using the Generator for the First Time Q The following section describes steps you must follow to prepare your generator for first - time use . If after reading this section , you are unsure about how to perform any of the steps please call ( 888 ) 315 - 3080 M - F 8 - 5 CT for customer service . Failure to perform these steps properly can damage your generator or shorten its life . If you are using the generator for the first time , there are a few steps you must take to prepare it for operation : Step 1 - Add oil The generator requires engine oil to operate properly . The generator , when new from the package , contains no oil in the crankcase . You must add the proper amount of oil before operating the generator for the first time . This amount , which is equal to the oil capacity of the engine crankcase , can be found on the chart in figure 1 . When filling the engine with oil in the future , please refer to this chart . Figure 1 - Generator Oil CapaciD _ Model number 2200 3500 5500 Engine oil 20 fluid oz . 20 fluid oz . 37 fluid oz . capacity To add oil , follow these steps : 1 . Make sure the generator is on a level surface . 2 . Unscrew the oil filler / dipstick cap from the engine as shown in figure 2 . 3 . Using a funnel , add the appropriate amount ofoil , as found in figure 1 , into the crankcase . You will know the crankcase is full when the oil level has reached the lower lip of the opening you have just poured the oil into ( see figure 3 ) . 4 . Replace oil filler cap . O _ FLLER HOLE Ott , _ q _ . LER CAP ? Figure 2 - Unscrewing the oil cap Figure 3 - Adding oil 10 Page: 10

Step 2 - Add Gasoline WARNING : Gasoline and gas fumes are highly flammable . â¢ Do not fill tank near an open flame . â¢ Do not overfill . Always check for fuel spills . To ensure that the generator runs smoothly use only FRESH , U2qLEADED GAS WITH AN OCTANE RATING OF 87 OR HIGHER . To add gasoline : 1 . Make sure the generator is on a level surface . 2 . Unscrew gas cap and set aside ( NOTE : the gas cap may be tight and hard to unscrew ) . 3 . Slowly add unleaded gasoline to the fuel tank . Be careful not to overfill . Please refer to the chart in figure 4 to find the gas capacity of your generator model . The fuel gauge on the top of the generator indicates how much gasoline is in the generator gas tank . NOTE : Gas can expand . Do not fill the gas tank to the very top . 4 . Replace fuel cap and wipe up any spilled gasoline with a dry cloth . IMPORTANT : â¢ Never use an oil / gasoline mixture . â¢ Neveruse old gas . â¢ Avoid getting dirt or water in the fuel tank . â¢ Gas can age in the tank and make it hard to start up the generator in the future . Never store generator for extended periods of time with fuel in the tank . Figure 4 - Gas Tank Capacity Model number 2200 3500 5500 Gas tank 15 L ( 3.96 gallons ) 15 L ( 3.96 gallons ) 25 L ( 6.60 gallons ) capacity Step 3 - Ground the Generator A WARNING : Failure to properly ground the generator can result in electrocution . Ground the generator by tightening the grounding nut against a grounding wire ( see figure 5 ) . A generally acceptable grounding wire is a No . 12 AWG ( American Wire Gauge ) stranded copper wire . This grounding wire should be connected at the other end to a copper or brass grounding rod that is driven into the earth . Grounding codes can vary by location . Please contact a local electrician to check the grounding regulations for your area . 11 Page: 11

j A i ' i ! Figure 5 - Attaching the Grounding Wire to the Generator Subsequent Use of the Generator If this is not your first time using the generator there are still steps you should take to prepare it for operation . IMPORTANT : At this point you should be familiar with the procedures described in the first portion of this section entitled " Using the Generator for the First Time . " If you have not yet read this section , go back and read it now . Step 1 - Check the Oil The generator is equipped with an automatic shutoff to protect it from damage due to low oil . Nonetheless , you should check the oil level of the engine before each use to ensure that the engine crankcase has a sufficient amount . To check the oil level : 1 . Make sure the generator is on a level surface . 2 . Unscrew the oil filler / dipstick cap . 3 . With a dry cloth , wipe the oil off of the stick on the inside of the cap . 4 . Insert the dipstick as if you were replacing the cap and then remove again . There should now be oil on the stick . If there is no oil on the stick , or oil only at the very end of the stick , you should add oil until the engine crankcase is filled ( see " Adding Oil " portion of the " Maintenance " section ) . 5 . Be sure to replace cap when finished checking oil . NOTE : The oil capacity for your generator can be found in the " Specifications " section of this manual 12 Page: 12

Step 2 - Check the Gas Level Before starting the generator , check to see that there is sufficient gasoline in the gas tank . The fuel gauge on top of the generator will indicate the gas level in the tank . Add gas if necessary according to the steps in the " Adding Gasoline " portion of the " Maintenance " section . A WARNING : Gasoline and gasoline fumes are highly flammable . â¢ Do not fill tank near an open flame . â¢ Always allow engine to cool for several minutes before refueling . â¢ Do not overfill ( check the " Specifications " section for the tank capacity of your generator ) . Always check for fuel spills . IMPORTANT : â¢ Use only U2qLEADED gasoline with an octane rating of 87 or higher . â¢ Do not use old gas . â¢ Never use an oil / gasoline mixture . â¢ Avoid getting dirt or water in the fuel tank . â¢ Never store generator for extended periods of time with fuel in the tank . Step 3 - Ground the Generator A WARNING : Failure to properly ground the generator can result in electrocution . Ground the generator by tightening the grounding nut against a grounding wire ( see figure 5 ) . A generally acceptable grounding wire is a No . 12 AWG ( American Wire Gauge ) stranded copper wire . This grounding wire should be connected at the other end to a copper or brass grounding rod that is driven into the earth . Grounding codes can vary by location . Please contact a local electrician to check the grounding regulations for your area . 13 Page: 13

STARTING THE GENERATOR O Before starting the generator , make sure you have read andperformed the steps in the " Preparing the Generator for Use " section of this manual . If you are unsure about how to perform any of the steps in this ' manual please call ( 888 ) 315 - 3080 M - F 8 - 5 CT for customer service . A CAUTION : Disconnect all electrical loads from the generator before attempting to start . To start your generator , perform the following steps : 1 . Make sure no electrical devices are connected to the generator . Such devices can make it difficult for the engine to start . 2 . Check that the generator is properly grounded ( see page 13 , " Ground the Generator " ) . 3 . Turn the fuel valve to the " on " position ( see figure 6 ) . 4 . Move the choke lever to the " closed " position ( see figure 7 ) . 5 . Set the engine switch to the " on " position . 6 . Pull on the recoil starter handle slowly until a slight resistance is felt ( see figure 8 ) . Then pull quickly to start the engine . Return cord gently into the machine . Never allow the cord to snap back . 7 . If engine fails to start , repeat step 4 . NOTE : After repeated attempts to start the engine , please consult the troubleshooting guide before attempting again . If problems persist please call ( 888 ) 315 - 3080 M - F 8 - 5 CT . 8 . Once the engine has started and run for about a minute , move the choke lever about half way towards the " open " position . Wait another 30 seconds and then move the choke lever all the way to the " open " position . 9 . Allow the generator to run for several minutes before attempting to connect any electrical devices . OFF Models 2200 and 3500 CHOKE LEVER ON Figure 6 - Fuel Valve in the " on " position STARTER GRiP CLOSBD ORE [ N / / / # refer to Figure 7 - Choke in the closed position page 9 for choke location ) Figure 8 - Pulling the start cord 14 Page: 14

USING THE GENERATOR Once you have allowed the engine to run for several minutes , you may connect electrical devices to the generator . AC Usage You may connect electrical devices running on AC current according to their wattage requirements . The chart in figure 9 shows the rated and surge wattage of your generator according to its model number . The rated wattage corresponds to the maximum wattage the generator can output on a continuous basis . The sul \ qe wattage corresponds to the maximum amount of power the generator can output for a short period of time . Many electrical devices such as refrigerators require short bursts of extra power , in addition the rated wattage listed by the device , to stop and start their motors . The surge wattage ability of the generator covers this extra power requirement . Model Number Rated ( Running ) Wattage Surge Wattage 2200 1800 2200 3500 3000 3500 5500 5000 5500 Figure 9 - generator wattage by model number . The total running wattage requirement of the electrical devices connected to the generator should not exceed the rated wattage of the generator itself . To calculate the total wattage requirement of the electrical devices you wish to connect , find the rated ( or running ) wattage of each device . This number should be listed somewhere on the device or in its instruction manual . If you cannot find this wattage , you may calculate it by multiplying the Voltage requirement by the Amperage drawn : Watts = Volts x Amperes If these specifications are not available you may estimate the Watts required by your device by using the chart in figure 10 . Once you have found the rated wattage requirement of each electrical device , add these numbers to find the total rated wattage you wish to draw from the generator . If this number exceeds the rated wattage of the generator , DO NOT connect all these devices . Select a combination of electrical devices , which has a total rated wattage lower than or equal to the rated wattage of the generator . CAUTION - The generator can run at its surge wattage capacity for only a short time . Connect electrical devices requiring a rated ( running ) wattage equal to or less 15 Page: 15

CAUTION : Use the generator only to recharge 12 Volt batteries . Never try to jumpstart a car with your generator . To connect 12 Volt batteries to the DC receptacle : 1 . Connect one charging wire to the positive terminal on the battery and the other charging wire to the negative terminal . 2 . Connect the free end of the positive wire to the positive receptacle ( outlet ) on the generator . 3 . Start the generator . 4 . Carefully connect the free end of the negative wire to the negative receptacle on the generator . 5 . When disconnecting , always disconnect the wires from the generator first to avoid a spark . A DANGER : Storage batteries emit highly explosive hydrogen gas when charged . Batteries also contain acid , which can cause severe chemical burns . â¢ Do not allow open flames or cigarettes nearby for several minutes after charging a battery . â¢ Always wear protective goggles and rubber gloves when charging a battery . If battery acid gets on your skin , flush with water . If battery acid gets in your eyes , flush with water and call a physician immediately . If battery acid is swallowed , drink large quantities of milk and call a physician immediately . STOPPING THE GENERATOR To stop the generator : 1 . Turn off , then unplug all connected electrical devices . 2 . Switch the circuit breaker to the " off ' position . 3 . Allow the generator to run for several more minutes with no electrical devices connected . This helps stabilize the temperature of the generator . 4 . Set the engine switch to the " off ' position . 5 . Turn the fuel valve to the " off ' position . A WARNING : Allow the generator to cool for several minutes before touching areas that become hot during use . CAUTION : Allowing gas to sit in the generator tank for long periods of time without use can make it difficult to start the generator in the future . Never store generator for extended periods of time with fuel in the tank . 18 Page: 18

MAINTENANCE / CARE Proper routine maintenance of your generator will help prolong the life of your machine . Please perform maintenance checks and operations according the schedule in figure 13 . O If you have questions about any of the maintenance procedures listed in this manual , please call ( 888 ) 315 - 3080 M - F 8 - 5CT . CAUTION : Never perform maintenance operations while the generator is running . Recommended Maintenance Schedule every 3 every 6 every month months or months or every year each use or 20 hrs 50 hrs 100 hrs or 300 hrs Engine oil _ heck level x " eplace x Air cleaner sheck x slean x fuel filter cup slean x spark plu _ l sheck / clean x gas tank sheck gas level x slean x Figure 13 - Recommended maintenance schedule Cleaning the Generator Always try to use your generator in a cool dry place . However , in the event your generator becomes dirty you may clean the exterior with one or more of the following : a damp cloth a soft brush a vacuum pressurized air Never clean your generator with a bucket of water or a hose . Water can get inside the working parts of the generator and cause a short circuit or corrosion . Checking the Oil The generator is equipped with an automatic shutoff to protect it from running on low oil . Nonetheless , you should check the oil level of the generator before each use to ensure that the generator crankcase has a sufficient amount . To check the oil level : 1 . Make sure the generator is on a level surface . 2 . Unscrew the oil filler / dipstick cap ( see figure 14 ) . 3 . With a dry cloth , wipe the oil off of the stick on the inside of the cap . 4 . Insert the dipstick as if you were replacing the cap and then remove again . There should now be oil on the stick . If there is no oil on the stick , or oil only at the 19 Page: 19

very end of the stick , you should add oil until the engine crankcase is filled . See " Changing / Adding Oil " in this section . . Be sure to replace cap when finished checking oil . Figure 14 - Checking the oil Changing / Adding Oil You should check the oil level of your generator according to the maintenance schedule in figure 13 . When the oil level is low you will need to add oil until the level is sufficient to run the generator . The oil capacity of your generator engine is listed in figure 15 . Model number 2200 3500 5500 20 fluid oz . 20 fluid oz . 37 fluid oz . Engine oil capacity Figure 15 - Engine Oil Capacity . It is only necessary to drain the oil from the crankcase if it has become contaminated with water or dirt . In this case , you can drain the oil from the generator according to the following steps : 1 . Place a bucket underneath the generator to catch oil as it drains . 2 . Using a 10 mm hex wrench , unscrew the oil drain plug , which is located on the crankcase underneath the oil filler / dipstick cap ( see figure 16 ) . Allow all the oil to drain from the generator . 3 . Replace the oil drain plug and tighten with a 10 mm hex wrench . To add oil to the crankcase , follow these steps : 1 . Make sure the generator is on a level surface . 2 . Unscrew the oil filler / dipstick cap from the engine as shown in figure 15 above . 3 . Using a funnel , add high detergent motor oil to the crankcase . We recommend SAE 10W / 30 motor oil for general use . When full , the oil level should come close to the top of the oil fill opening ( see figure 17 ) . 2O Page: 20

Fuel Filter Cup Cleaning The fuel filter cup is a small well underneath the fuel valve . It helps to trap dirt and water that may be in your fuel tank before it can enter the engine . To clean the fuel filter cup : 1 . Turn the fuel valve to the " off ' position . 2 . Unscrew the fuel filter cup from the fuel valve using a wrench . Turn the valve toward you to unscrew ( see figure 19 ) . 3 . Clean the cup of all sediment . Using a rag or brush . 4 . Reinstall the fuel filter cup . FUEL VALVE FUEL FILTER CUP Figure 19 - Removing the Fuel Filter Cup Spark Plug Maintenance The spark plug is important for proper engine operation . A good spark plug should be intact , free of deposits , and properly gapped . To inspect you spark plug : 1 . Pull on the spark plug cap to remove it . 2 . Unscrew the spark plug from the generator using the spark plug wrench included with this product ( see figure 20 ) . 3 . Visually inspect the spark plug . If it is cracked or chipped , discard and replace with a new spark plug . We recommend using a F6RTC spark plug such as NGK BPR5ES . 4 . Measure the plug gap with a gauge ( see figure 21 ) . The gap should be 0.7 - 0.8mm ( 0.028 - 0.03 lin ) . 5 . If you are re - using the spark plug , use a wire brush to clean any dirt from around the spark plug base and then re - gap the spark plug . . 6 . Screw the spark plug back into its place on the generator using the spark plug wrench . Replace the spark plug cap . 22 Page: 22

PLUG W _ ENOH O , 7 @ , 8 ! _ > _ { _ z : , ( 00260031 n ; PLUG CAP Figure 20 - Removing the spark plug Figure 21 - Measuring the spark plug gap Emptying the Gas Tank Before storing your generator for extended periods of time , you should drain your generator of gasoline . To drain the generator of gas : 1 . Turn the fuel valve to the " off ' position . 2 . Remove the fuel filter cup ( see " Removing the Fuel Filter Cup " earlier in this section . 3 . Empty the fuel filter cup of any fuel . 4 . With a receptacle underneath the generator to catch the gas , turn the fuel valve to the " on " position . Drain all the gas from the generator . 5 . Turn the fuel valve to the " off ' position . 6 . Replace the fuel filter cup . 7 . Store the emptied gasoline in a suitable place . A CAUTION : Do not store fuel from one season to another . STORAGE / TRANSPORT PROCEDURES A CAUTION : Never place any type of storage cover on the generator while it is still hot . When transporting or storing your generator for extended periods of time : â¢ Empty the gas tank ( see " Elnptying the Gas Tank " in the " Maintenance " section ) . â¢ Disconnect the spark plug . â¢ Do not obstruct any ventilation openings . â¢ Keep the generator in a cool dry area . 23 Page: 23